FRE-600: Fix code review blockers

- Consolidated duplicate UndoManagers to single instance
- Fixed connection promise to only resolve on 'connected' status
- Fixed WebSocketProvider import (WebsocketProvider)
- Added proper doc.destroy() cleanup
- Renamed isPresenceInitialized property to avoid conflict

Co-Authored-By: Paperclip <noreply@paperclip.ing>

node_modules/utf-8-validate/binding.gyp

@@ -0,0 +1,22 @@
+{
+  'variables': {
+    'openssl_fips': ''
+  },
+  'targets': [
+    {
+      'target_name': 'validation',
+      'sources': [
+        'src/validation.cc',
+        'deps/is_utf8/src/is_utf8.cpp'
+      ],
+      'cflags_cc': ['-std=gnu++11'],
+      'conditions': [
+        ["OS=='mac'", {
+          'xcode_settings': {
+            'MACOSX_DEPLOYMENT_TARGET': '10.7'
+          }
+        }]
+      ]
+    }
+  ]
+}